Added hibernate.sh that is needed for wifi working after booting from hibernation

README.md

@@ -49,7 +49,9 @@ For the ipts_firmware files, please select the version for your device.
 * v137 for the Surface Book 2 13"
 
 1. Copy the files under root to where they belong:
-  * $ sudo cp -R root/* /
+  * $ sudo cp -R root/* /
+2. Make /lib/systemd/system-sleep/hibernate.sh as executable:
+  * $ sudo chmod a+x /lib/systemd/system-sleep/hibernate.sh
 2. Extract ipts_firmware_[VERSION].zip to /lib/firmware/intel/ipts/
   * $ sudo mkdir -p /lib/firmware/intel/ipts
   * $ sudo unzip ipts_firmware_[VERSION].zip -d /lib/firmware/intel/ipts/

root/lib/systemd/system-sleep/hibernate.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+case $1/$2 in
+  pre/*)
+    systemctl stop NetworkManager.service
+    rmmod intel_ipts
+    rmmod mei_me
+    rmmod mei
+    rmmod mwifiex_pcie
+    rmmod mwifiex
+    echo 1 > /sys/bus/pci/devices/0000\:02\:00.0/reset
+    ;;
+  post/*)
+    modprobe mei
+    modprobe mei_me
+    echo 1 > /sys/bus/pci/devices/0000\:02\:00.0/reset
+    modprobe mwifiex
+    modprobe mwifiex_pcie
+    systemctl start NetworkManager.service
+    ;;
+esac
+